| /* |
| * Task definitions |
| * |
| * Copyright 1995 Alexandre Julliard |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #ifndef __WINE_TASK_H |
| #define __WINE_TASK_H |
| |
| #include "windef.h" |
| #include "wine/windef16.h" |
| |
| #include "pshpack1.h" |
| |
| /* Process database (i.e. a normal DOS PSP) */ |
| |
| typedef struct |
| { |
| WORD int20; /* 00 int 20h instruction */ |
| WORD nextParagraph; /* 02 Segment of next paragraph */ |
| BYTE reserved1; |
| BYTE dispatcher[5]; /* 05 Long call to DOS */ |
| FARPROC16 savedint22 WINE_PACKED; /* 0a Saved int 22h handler */ |
| FARPROC16 savedint23 WINE_PACKED; /* 0e Saved int 23h handler */ |
| FARPROC16 savedint24 WINE_PACKED; /* 12 Saved int 24h handler */ |
| WORD parentPSP; /* 16 Selector of parent PSP */ |
| BYTE fileHandles[20]; /* 18 Open file handles */ |
| HANDLE16 environment; /* 2c Selector of environment */ |
| DWORD saveStack; /* 2e SS:SP on last int21 call */ |
| WORD nbFiles; /* 32 Number of file handles */ |
| SEGPTR fileHandlesPtr; /* 34 Pointer to file handle table */ |
| HANDLE16 hFileHandles; /* 38 Handle to fileHandlesPtr */ |
| WORD reserved3[17]; |
| BYTE fcb1[16]; /* 5c First FCB */ |
| BYTE fcb2[20]; /* 6c Second FCB */ |
| BYTE cmdLine[128]; /* 80 Command-line (first byte is len)*/ |
| BYTE padding[16]; /* Some apps access beyond the end of the cmd line */ |
| } PDB16; |
| |
| |
| /* Segment containing MakeProcInstance() thunks */ |
| typedef struct |
| { |
| WORD next; /* Selector of next segment */ |
| WORD magic; /* Thunks signature */ |
| WORD unused; |
| WORD free; /* Head of the free list */ |
| WORD thunks[4]; /* Each thunk is 4 words long */ |
| } THUNKS; |
| |
| #define THUNK_MAGIC ('P' | ('T' << 8)) |
| |
| struct _TEB; |
| struct _WSINFO; |
| struct _NE_MODULE; |
| |
| /* signal proc typedef */ |
| typedef void (CALLBACK *USERSIGNALPROC)(HANDLE16, UINT16, UINT16, |
| HINSTANCE16, HQUEUE16); |
| |
| /* Task database. See 'Windows Internals' p. 226. |
| * Note that 16-bit OLE 2 libs like to read it directly |
| * so we have to keep entry offsets as they are. |
| */ |
| typedef struct _TDB |
| { |
| HTASK16 hNext; /* 00 Selector of next TDB */ |
| DWORD ss_sp WINE_PACKED; /* 02 Stack pointer of task */ |
| WORD nEvents; /* 06 Events for this task */ |
| INT16 priority; /* 08 Task priority, -32..15 */ |
| WORD unused1; /* 0a */ |
| HTASK16 hSelf; /* 0c Selector of this TDB */ |
| HANDLE16 hPrevInstance; /* 0e Previous instance of module */ |
| DWORD unused2; /* 10 */ |
| WORD ctrlword8087; /* 14 80x87 control word */ |
| WORD flags; /* 16 Task flags */ |
| UINT16 error_mode; /* 18 Error mode (see SetErrorMode)*/ |
| WORD version; /* 1a Expected Windows version */ |
| HANDLE16 hInstance; /* 1c Instance handle for task */ |
| HMODULE16 hModule; /* 1e Module handle */ |
| HQUEUE16 hQueue; /* 20 Selector of task queue */ |
| HTASK16 hParent; /* 22 Selector of TDB of parent */ |
| WORD signal_flags; /* 24 Flags for signal handler */ |
| FARPROC16 sighandler WINE_PACKED; /* 26 Signal handler */ |
| FARPROC16 userhandler WINE_PACKED; /* 2a USER signal handler */ |
| FARPROC16 discardhandler WINE_PACKED; /* 2e Handler for GlobalNotify() */ |
| DWORD int0 WINE_PACKED; /* 32 int 0 (divide by 0) handler */ |
| DWORD int2 WINE_PACKED; /* 36 int 2 (NMI) handler */ |
| DWORD int4 WINE_PACKED; /* 3a int 4 (INTO) handler */ |
| DWORD int6 WINE_PACKED; /* 3e int 6 (invalid opc) handler */ |
| DWORD int7 WINE_PACKED; /* 42 int 7 (coprocessor) handler */ |
| DWORD int3e WINE_PACKED; /* 46 int 3e (80x87 emu) handler */ |
| DWORD int75 WINE_PACKED; /* 4a int 75 (80x87 error) handler */ |
| DWORD compat_flags WINE_PACKED; /* 4e Compatibility flags */ |
| BYTE unused4[2]; /* 52 */ |
| struct _TEB *teb; /* 54 Pointer to thread database */ |
| BYTE unused5[8]; /* 58 */ |
| HANDLE16 hPDB; /* 60 Selector of PDB (i.e. PSP) */ |
| SEGPTR dta WINE_PACKED; /* 62 Current DTA */ |
| BYTE curdrive; /* 66 Current drive */ |
| BYTE curdir[65]; /* 67 Current directory */ |
| WORD nCmdShow; /* a8 cmdShow parameter to WinMain */ |
| HTASK16 hYieldTo; /* aa Next task to schedule */ |
| DWORD dlls_to_init; /* ac Ptr to DLLs to initialize */ |
| HANDLE16 hCSAlias; /* b0 Code segment for this TDB */ |
| THUNKS thunks WINE_PACKED; /* b2 Make proc instance thunks */ |
| WORD more_thunks[6*4]; /* c2 Space for 6 more thunks */ |
| BYTE module_name[8]; /* f2 Module name for task */ |
| WORD magic; /* fa TDB signature */ |
| HANDLE hEvent; /* fc scheduler event handle */ |
| PDB16 pdb; /* 100 PDB for this task */ |
| } TDB; |
| |
| #define TDB_MAGIC ('T' | ('D' << 8)) |
| |
| /* TDB flags */ |
| #define TDBF_WINOLDAP 0x0001 |
| #define TDBF_OS2APP 0x0008 |
| #define TDBF_WIN32 0x0010 |
| |
| /* Windows 3.1 USER signals */ |
| #define USIG16_TERMINATION 0x0020 |
| #define USIG16_DLL_LOAD 0x0040 |
| #define USIG16_DLL_UNLOAD 0x0080 |
| #define USIG16_GPF 0x0666 |
| |
| |
| /* THHOOK Kernel Data Structure */ |
| typedef struct _THHOOK |
| { |
| HANDLE16 hGlobalHeap; /* 00 (handle BURGERMASTER) */ |
| WORD pGlobalHeap; /* 02 (selector BURGERMASTER) */ |
| HMODULE16 hExeHead; /* 04 hFirstModule */ |
| HMODULE16 hExeSweep; /* 06 (unused) */ |
| HANDLE16 TopPDB; /* 08 (handle of KERNEL PDB) */ |
| HANDLE16 HeadPDB; /* 0A (first PDB in list) */ |
| HANDLE16 TopSizePDB; /* 0C (unused) */ |
| HTASK16 HeadTDB; /* 0E hFirstTask */ |
| HTASK16 CurTDB; /* 10 hCurrentTask */ |
| HTASK16 LoadTDB; /* 12 (unused) */ |
| HTASK16 LockTDB; /* 14 hLockedTask */ |
| } THHOOK; |
| |
| #include "poppack.h" |
| |
| extern THHOOK *pThhook; |
| |
| extern void TASK_CreateMainTask(void); |
| extern HTASK16 TASK_SpawnTask( struct _NE_MODULE *pModule, WORD cmdShow, |
| LPCSTR cmdline, BYTE len, HANDLE *hThread ); |
| extern void TASK_ExitTask(void); |
| extern HTASK16 TASK_GetNextTask( HTASK16 hTask ); |
| extern TDB *TASK_GetPtr( HTASK16 hTask ); |
| extern TDB *TASK_GetCurrent(void); |
| extern void TASK_InstallTHHook( THHOOK *pNewThook ); |
| extern void TASK_CallTaskSignalProc( UINT16 uCode, HANDLE16 hTaskOrModule ); |
| |
| #endif /* __WINE_TASK_H */ |
